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Class CH.epfl.lcvm.mccc.PowellHybridNative 

java.lang.Object
   |
   +----CH.epfl.lcvm.mccc.PowellHybridNative
public class PowellHybridNative
extends Object
implements RootFinder
A interface which calles a Powell Hybrid root finder. This root finder is defined as a native method and the source code for it can be found in hybrd.f.

Constructor Index

o PowellHybridNative(Function)
Creates a PowellHybrid root finder for the given function

Method Index

o findRoot(Matrix)
Returns a root of the function given the inputed initial guess
o main(String[])
Exercise the class by trying the various functions
o setTolerance(double)
Sets the tolerance for the newton solver

Constructors

o PowellHybridNative 
 public PowellHybridNative(Function func)
Creates a PowellHybrid root finder for the given function

Parameters:
func - The function for which to find roots

Methods

o findRoot 
 public Matrix findRoot(Matrix value) throws MCCCException
Returns a root of the function given the inputed initial guess

Parameters:
value - Initial guess to the root finder
Returns:
the value of the root
Throws: MCCCException
In case the method doesn't converge it throws this exception
o setTolerance 
 public void setTolerance(double tolerance)
Sets the tolerance for the newton solver

Parameters:
tolerance - The new tolerance
o main 
 public static void main(String argv[]) throws MCCCException
Exercise the class by trying the various functions

Throws: MCCCException
Thrown when numerics fail 
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